Von Duprin 7847-4ft Wide Stile...
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$3,065.00
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Von Duprin 7847-4ft Wide Stile Grade 1 Concealed Vertical Rod Exit Device, 48" Push Pad

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Model: 7847EO 4 626
$3,065.00
$1,541.51
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Von Duprin 7847-4ft Wide Stile Grade 1 Concealed Vertical Rod Exit Device, 48" Push Pad

Commercial-Grade Wide Stile Concealed Vertical Rod Exit Device for Demanding Applications

The Von Duprin 78 Series 7847-4ft is a heavy-duty, wide stile concealed vertical rod (CVR) exit device engineered for demanding commercial environments. Sized at 48" to accommodate 4-foot door applications, this ANSI/BHMA A156.3-2014 Grade 1 certified device features a push pad style actuator and is designed for a door thickness of 1-3/4" with a 3/4" latch throw. The device centerline is positioned at 39-13⁄16" from finished floor, and the product projection measures 3-13⁄16". Compatible with top strike 338 and bottom strike 385A, the 7847-4ft is available in 3’ and 4’ lengths that are field sizeable for single and double door applications, making it a versatile solution for a wide range of commercial installations.

Professional Features & Benefits

  • ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3-2014 Grade 1 standards, ensuring top-tier performance and reliability for high-traffic commercial applications.
  • Wide Stile Design: Engineered specifically for wide stile doors, providing a secure and aesthetically consistent fit for commercial and institutional entryways.
  • 48" Product Size: Sized at 48" for 4-foot door applications, with field-sizeable lengths available in 3’ and 4’ to accommodate single and double door configurations.
  • Concealed Vertical Rod (CVR) Mechanism: The 47-type concealed vertical rod design keeps hardware out of sight for a clean appearance while delivering reliable top and bottom latching with compatible strikes (Top: 338; Bottom: 385A).
  • Precise Dimensional Specifications: Door thickness compatibility of 1-3/4", 3/4" latch throw, device centerline at 39-13⁄16" from finished floor, and product projection of 3-13⁄16" for accurate installation planning.
  • Hex Key Dogging: Features hex key dogging configuration for convenient hold-open functionality in appropriate applications.
  • Multiple Certifications: Certified to ANSI/BHMA A156.3-2014 Grade 1, ANSI/UL 305, and CAN/ULC-S132; fire-rated configurations also available (ANSI/UL 10C and CAN/ULC-S104) by adding “-F” suffix.
  • Quiet Electric Latch Retraction (QEL) Option: The 70 Series platform supports optional QEL configuration for electronic control with limited operational noise where desired.
  • Broad Function Availability: Available in Exit Only (EO), Lever (L), Night Latch (NL), Turn Lever (TL), and additional function configurations to suit diverse access control requirements.

Technical Specifications

  • Product Group: Exit Devices and Trim
  • Series: 78 Series
  • Grade: Grade 1
  • Product Subgroup: Exit Devices - Vertical Rod
  • Subcategory: Concealed Vertical Rod Exit Devices
  • Latch Throw: 3/4"
  • Product Type: Exit Devices - Concealed Vertical Rod
  • Commercial/Residential: Commercial
  • Device Centerline from Finished Floor: 39-13⁄16"
  • Stile Type: Wide Stile
  • Wood Door Compatible: No
  • MAP Policy: Yes
  • Product Model: 7847
  • Door Thickness Range: 1-3/4"
  • Product Size: 48"
  • Dogging Configuration: Hex Key Dogging
  • Fire Rating: No
  • Product Projection: 3-13⁄16"
  • Door Strike: Top: 338; Bottom: 385A
  • Product Style: Push Pads
  • Product Category: Exit Devices and Trim
  • Department: Door Hardware

Professional Applications

  • Commercial Office Buildings
  • Warehouse and Industrial Facilities
  • Retail Establishments
  • Multi-Tenant Residential and Multifamily Properties
  • Educational Facilities
  • Healthcare Institutions
  • Government and Municipal Buildings

Why Choose Von Duprin Quality?

Von Duprin 78 Series exit devices deliver professional-grade reliability backed by ANSI/BHMA A156.3-2014 Grade 1 certification and compliance with ANSI/UL 305 and CAN/ULC-S132 standards. The wide stile concealed vertical rod design, field-sizeable lengths, and broad range of available functions and finishes make the 7847-4ft an adaptable solution for virtually any commercial door application. Supported by Allegion services and support, Von Duprin hardware is engineered for demanding environments where dependable, code-compliant egress performance is essential.

Manufacturer Resources

Product Specs

Product Group:
Exit Devices and Trim
Series:
78 Series
Grade:
Grade 1
Product Subgroup:
Exit Devices - Vertical Rod
Subcategory:
Concealed Vertical Rod Exit Devices
Latch Throw:
3/4"
Product Type:
Exit Devices - Concealed Vertical Rod
Commercial/Residential:
Commercial
Device Centerline from Finished Floor:
39-13/16"
Stile Type:
Wide Stile
Wood Door Compatible:
No
MAP Policy:
Yes
Product Model:
7847
Door Thickness Range:
1-3/4"
Product Size:
48"
Dogging Configuration:
Hex Key Dogging
Fire Rating:
No
Product Projection:
3-13/16"
Door Strike:
Top: 338;Bottom:385A
Product Style:
Push Pads
Product Category:
Exit Devices and Trim
Department:
Door Hardware

Von Duprin 7847EO 4 626 – Frequently Asked Questions

1) Is the Von Duprin 7847-4ft fire rated?
As catalogued, no. The 7847-4ft is the non-fire panic version, certified to ANSI/BHMA A156.3-2014 Grade 1, ANSI/UL 305 and CAN/ULC-S132. A fire rated configuration exists by adding the -F suffix (ANSI/UL 10C and CAN/ULC-S104). If you need a fire labeled opening, order the -F. Note that fire devices cannot be dogged, so the hex key dogging on the standard 7847 does not carry over.
2) What strikes do I need for a Von Duprin 7847 CVR device, and do they come with it?
The 7847 latches into the 338 top strike and the 385A bottom strike. Top latching goes into the frame head, bottom into the threshold or floor, with a 3/4 inch latch throw at each point. If the opening already has different strikes prepped, they will need to be changed to match.
3) Can I use the Von Duprin 7847 on a pair of doors without a mullion?
Yes. A concealed vertical rod device latches at the frame head and at the floor rather than into a strike on the jamb, so a pair of 7847 devices secures double doors with no center mullion and gives you the full clear opening. The 48 inch size covers 4 foot leaves, and 3 foot and 4 foot lengths are field sizeable for single and double door applications.
4) What is less bottom rod (LBR) and should I order the 7847 that way?
Less bottom rod deletes the bottom rod and latch so only the top latches. It is the usual call where the floor is uneven, where carpet or a floor closer is in the way, or where the bottom strike keeps collecting dirt. The 7847 is orderable either way, LBR yes or no. Keep the bottom rod if you want two point latching for security; drop it if the threshold condition makes the bottom latch unreliable.
5) Can the Von Duprin 7847 be tied into an access control system?
Yes. QEL quiet electric latch retraction is available, including HD-QEL which combines electric retraction with hex dogging on panic (non-fire) devices, plus QELX and HD-QELX for AX accessible devices. Monitoring and signaling options include RX request to exit, LX latchbolt monitor, LX-RX combined, RX2 double switch, WP-RX waterproof RX, and the ALK alarm exit kit in less-switch, RX, and LX/RX versions.
6) What concealed vertical rod exit device works on a wood door if the 7847 does not?
The Von Duprin 7847 is not wood door compatible. The BEST Precision 2701 Series is a wide stile concealed vertical rod exit device that is reversible and built for wood doors, which makes it the substitution to look at when the opening is wood rather than metal. The BEST Precision 2801 is the wide stile CVR device in the same family if the opening is not wood.
7) My door is a narrow stile aluminum storefront - can I use the Von Duprin 7847?
No. The 7847 is a wide stile device and will not fit a narrow stile aluminum stile. For narrow stile openings, the Adams Rite 8600 Series is a narrow stile concealed vertical rod exit device for aluminum doors, the Corbin Russwin ED4800 is a Grade 1 narrow stile CVR device for 1-3/4 inch doors, and the DORMA 9600BB is a Grade 1 narrow stile CVR pushpad device in 36 inch.
8) What is the closest equivalent to the Von Duprin 7847 wide stile concealed vertical rod exit device from another brand?
The Corbin Russwin ED5800 is the nearest match: it is a Grade 1 wide stile concealed vertical rod exit device rated for 1-3/4 inch doors, the same door thickness the 7847 is built for. The Von Duprin 7847 is a Grade 1 wide stile CVR device with a push pad actuator, and the ED5800 is offered exit only or accepting trim. The DORMA 9100 is another wide stile Grade 1 concealed vertical rod pushpad device, and it covers a 1-3/4 inch to 2-1/4 inch door thickness range if the opening is thicker than 1-3/4 inch.
9) I need a fire-rated concealed vertical rod device - what should I use instead of the 7847?
The 7847 as specified carries no fire rating. For a fire door, the Adams Rite 3600 Series is a fire-rated Grade 1 wide stile concealed vertical rod exit device, and the Adams Rite 3900 Series is a fire-rated Grade 1 wide stile CVR device with a 1-1/2 hour rating. The Sargent 12-MD8613 is a fire-rated Grade 1 wide stile CVR device in classroom function if the opening needs keyed outside control.
10) What trim functions can I get on the Von Duprin 7847?
Ten trim functions are available: EO exit only, L lever, L-BE lever with blank escutcheon, L-DT lever with dummy trim, L-NL lever night latch, NL night latch, NL-OP night latch with optional pull, DT dummy trim, T-BE thumbturn with blank escutcheon, and TL thumbturn that unlocks. For a classroom or office door where staff need key entry from outside, NL or L-NL is the usual pick; EO is for exit only doors with no outside operation.
11) How high off the floor does the 7847 push pad sit, and how far does it stick out into the opening?
Device centerline sits 39-13/16 inches from finished floor and the device projects 3-13/16 inches off the door face. Use the projection when you are checking clearance to a side wall, an adjacent leaf in a pair, or anything mounted near the door swing.
12) What are my dogging choices on the Von Duprin 7847?
Three: hex key dogging (the default), CD cylinder dogging, or LD less dogging. Hex key needs the allen wrench to hold the latch retracted during business hours. Cylinder dogging lets staff dog the device with a key instead, which is what most schools and retail spaces want so the wrench does not get lost. LD deletes dogging entirely.
13) Do I have to order the exact door width, or can the 7847-4ft be cut down?
The 78 Series comes in 3 foot and 4 foot lengths that are field sizeable, so the 48 inch 7847-4ft covers doors up to a 4 foot leaf and is trimmed on site to the actual width. For narrower leaves the 3 foot version is the starting point. Sizing is done at install, not by ordering a custom width.
14) Why choose a concealed vertical rod over a surface vertical rod or a rim device?
Concealed rods run inside the door, so nothing is exposed on the face. That is why CVR gets specified in lobbies, retail fronts, and anywhere appearance matters or exposed rods get abused. The tradeoff is that the door has to be prepped for concealed rods, which effectively means a new or factory prepped door rather than a retrofit onto a plain hollow metal leaf. A surface vertical rod mounts to the door face and retrofits more easily; a rim device latches into the jamb and is the simplest of the three, but on a pair it needs a removable mullion. The 7847 is the concealed option, wide stile, with a 3-13/16 inch projection at the push pad.
15) Is there a simpler exit-only concealed vertical rod device if I do not need lever trim or switches?
Yes. The 7847 is ordered with trim functions ranging from exit only through lever, night latch and thumbturn, plus optional switch and electric latch retraction packages. If the opening only needs push-to-exit, the CRL Jackson 1085 Series is a 48 inch non-handed exit only concealed vertical rod panic device in wide stile, and the BEST Precision 2601 is an exit only non-handed narrow stile CVR device. The Falcon 24-C is a Grade 1 exit only CVR device in 36 inch narrow stile.
16) What looks like a substitute for the 7847 but is not?
The Falcon 1491DT is the one to watch: it is a concealed vertical rod device with a 9970 pull, but it is dummy function narrow stile trim, so it does not latch and does not provide egress. The Corbin Russwin ED7800 is also a Grade 1 concealed vertical rod device, but it is narrow stile and crossbar operated rather than the push pad style the 7847 uses. The 7847 is a wide stile push pad device with latching top and bottom strikes.
17) I need a 48 inch device for a 4 foot door - which alternatives come in that size?
The Von Duprin 7847-4ft is a 48 inch device. Among comparable concealed vertical rod devices, the CRL Jackson 1085 Series is offered as a 48 inch non-handed exit only panic device, and the Falcon 1990EO is a 44 inch narrow stile exit only CVR device if the opening is smaller. The Adams Rite 8500 Series is a non-fire-rated Grade 1 wide stile CVR device for hollow metal doors.
18) Which concealed vertical rod alternatives also offer hex key dogging like the Von Duprin 7847?
The 7847 ships with hex key dogging as its default configuration, with cylinder dogging and less dogging also available. The Sargent MD8613F-LTRIM is a heavy duty Grade 1 concealed vertical rod device for 36 by 84 inch metal doors that is also specified with hex dogging, so it is the closest match when the spec calls out dogging for a hold-open during business hours.
19) Is there a concealed vertical rod device that fits stiles of more than one width?
The Von Duprin 7847 is a wide stile device only. If a facility has openings of differing stile widths and wants one device across them, the CRL Jackson 1285 push pad concealed vertical rod panic exit is specified for narrow, medium or wide stiles in exit only function, which covers a mixed door set with a single part.
20) Which lever styles are available with the L trim on the Von Duprin 7847?
If you order an L function, you pick the lever design: 06 (the default), 01, 02, 03, 05, 07, 12, 16, 17 or 18. On non-lever functions such as EO or NL you select None. Property managers standardizing a building usually match the lever number already on the other openings.
21) What is the AX option on the Von Duprin 7847?
AX is the accessible device build, ordered as a yes or no on the 7847. If you specify AX and also want electric latch retraction, the matching retraction options are QELX and HD-QELX rather than the standard QEL.
22) What finishes does the Von Duprin 7847 come in?
Ten finishes: 605 bright brass, 606 satin brass, 612 satin bronze, 619 satin nickel, 625 bright chrome, 626 satin chrome, 628 aluminum, 643E aged bronze, 710 dark bronze anodized, and 711 flat black. 626 and 628 are the two most commonly specified on commercial openings; 710 and 711 match dark anodized and black storefront.
How fast can I get the Von Duprin 7847EO 4 626 delivered?
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Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Von Duprin 7847EO 4 626 come with a warranty?
Absolutely. The Von Duprin 7847EO 4 626 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Von Duprin 7847EO 4 626?
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